<template>
  <div>
    <el-tabs type="border-card">
      <el-tab-pane v-if="shouldHide('second')" label="秒">
        <CrontabSecond ref="cronsecond" :check="checkNumber" :cron="crontabValueObj" @update="updateCrontabValue" />
      </el-tab-pane>

      <el-tab-pane v-if="shouldHide('min')" label="分钟">
        <CrontabMin ref="cronmin" :check="checkNumber" :cron="crontabValueObj" @update="updateCrontabValue" />
      </el-tab-pane>

      <el-tab-pane v-if="shouldHide('hour')" label="小时">
        <CrontabHour ref="cronhour" :check="checkNumber" :cron="crontabValueObj" @update="updateCrontabValue" />
      </el-tab-pane>

      <el-tab-pane v-if="shouldHide('day')" label="日">
        <CrontabDay ref="cronday" :check="checkNumber" :cron="crontabValueObj" @update="updateCrontabValue" />
      </el-tab-pane>

      <el-tab-pane v-if="shouldHide('month')" label="月">
        <CrontabMonth ref="cronmonth" :check="checkNumber" :cron="crontabValueObj" @update="updateCrontabValue" />
      </el-tab-pane>

      <el-tab-pane v-if="shouldHide('week')" label="周">
        <CrontabWeek ref="cronweek" :check="checkNumber" :cron="crontabValueObj" @update="updateCrontabValue" />
      </el-tab-pane>

      <el-tab-pane v-if="shouldHide('year')" label="年">
        <CrontabYear ref="cronyear" :check="checkNumber" :cron="crontabValueObj" @update="updateCrontabValue" />
      </el-tab-pane>
    </el-tabs>

    <div class="popup-main">
      <div class="popup-result">
        <p class="title">时间表达式</p>
        <table>
          <thead>
            <tr>
              <th v-for="item of tabTitles" :key="item">{{ item }}</th>
              <th>Cron 表达式</th>
            </tr>
          </thead>
          <tbody>
            <tr>
              <td>
                <span v-if="crontabValueObj.second.length < 10">{{ crontabValueObj.second }}</span>
                <el-tooltip v-else :content="crontabValueObj.second" placement="top">
                  <span>{{ crontabValueObj.second }}</span>
                </el-tooltip>
              </td>
              <td>
                <span v-if="crontabValueObj.min.length < 10">{{ crontabValueObj.min }}</span>
                <el-tooltip v-else :content="crontabValueObj.min" placement="top">
                  <span>{{ crontabValueObj.min }}</span>
                </el-tooltip>
              </td>
              <td>
                <span v-if="crontabValueObj.hour.length < 10">{{ crontabValueObj.hour }}</span>
                <el-tooltip v-else :content="crontabValueObj.hour" placement="top">
                  <span>{{ crontabValueObj.hour }}</span>
                </el-tooltip>
              </td>
              <td>
                <span v-if="crontabValueObj.day.length < 10">{{ crontabValueObj.day }}</span>
                <el-tooltip v-else :content="crontabValueObj.day" placement="top">
                  <span>{{ crontabValueObj.day }}</span>
                </el-tooltip>
              </td>
              <td>
                <span v-if="crontabValueObj.month.length < 10">{{ crontabValueObj.month }}</span>
                <el-tooltip v-else :content="crontabValueObj.month" placement="top">
                  <span>{{ crontabValueObj.month }}</span>
                </el-tooltip>
              </td>
              <td>
                <span v-if="crontabValueObj.week.length < 10">{{ crontabValueObj.week }}</span>
                <el-tooltip v-else :content="crontabValueObj.week" placement="top">
                  <span>{{ crontabValueObj.week }}</span>
                </el-tooltip>
              </td>
              <td>
                <span v-if="crontabValueObj.year.length < 10">{{ crontabValueObj.year }}</span>
                <el-tooltip v-else :content="crontabValueObj.year" placement="top">
                  <span>{{ crontabValueObj.year }}</span>
                </el-tooltip>
              </td>
              <td class="result">
                <span v-if="crontabValueString.length < 90">{{ crontabValueString }}</span>
                <el-tooltip v-else :content="crontabValueString" placement="top">
                  <span>{{ crontabValueString }}</span>
                </el-tooltip>
              </td>
            </tr>
          </tbody>
        </table>
      </div>
      <CrontabResult :ex="crontabValueString"></CrontabResult>

      <div class="pop_btn">
        <el-button type="primary" @click="submitFill">确定</el-button>
        <el-button type="warning" @click="clearCron">重置</el-button>
        <el-button @click="hidePopup">取消</el-button>
      </div>
    </div>
  </div>
</template>

<script setup>
import CrontabSecond from './second.vue'
import CrontabMin from './min.vue'
import CrontabHour from './hour.vue'
import CrontabDay from './day.vue'
import CrontabMonth from './month.vue'
import CrontabWeek from './week.vue'
import CrontabYear from './year.vue'
import CrontabResult from './result.vue'
const { proxy } = getCurrentInstance()
const emit = defineEmits(['hide', 'fill'])
const props = defineProps({
  hideComponent: {
    type: Array,
    default: () => []
  },
  expression: {
    type: String,
    default: ''
  }
})
const tabTitles = ref(['秒', '分钟', '小时', '日', '月', '周', '年'])
const tabActive = ref(0)
// 避免与 props 同名的本地变量造成重复键问题，直接使用 props 引用
const crontabValueObj = ref({
  second: '*',
  min: '*',
  hour: '*',
  day: '*',
  month: '*',
  week: '?',
  year: ''
})
const crontabValueString = computed(() => {
  const obj = crontabValueObj.value
  return (
    obj.second +
    ' ' +
    obj.min +
    ' ' +
    obj.hour +
    ' ' +
    obj.day +
    ' ' +
    obj.month +
    ' ' +
    obj.week +
    (obj.year === '' ? '' : ' ' + obj.year)
  )
})
// 直接监听 props.expression，避免重复定义本地 ref
watch(
  () => props.expression,
  () => resolveExp()
)
function shouldHide(key) {
  // 使用 props.hideComponent，避免变量名重复导致的键冲突
  return !(props.hideComponent && props.hideComponent.includes(key))
}
function resolveExp() {
  // 反解析 表达式
  // 直接使用 props.expression，保持数据来源唯一
  if (props.expression) {
    const arr = props.expression.split(/\s+/)
    if (arr.length >= 6) {
      //6 位以上是合法表达式
      const obj = {
        second: arr[0],
        min: arr[1],
        hour: arr[2],
        day: arr[3],
        month: arr[4],
        week: arr[5],
        year: arr[6] ? arr[6] : ''
      }
      crontabValueObj.value = {
        ...obj
      }
    }
  } else {
    // 没有传入的表达式 则还原
    clearCron()
  }
}
// tab切换值
function tabCheck(index) {
  tabActive.value = index
}
// 由子组件触发，更改表达式组成的字段值
function updateCrontabValue(name, value, from) {
  crontabValueObj.value[name] = value
}
// 表单选项的子组件校验数字格式（通过-props传递）
function checkNumber(value, minLimit, maxLimit) {
  // 检查必须为整数
  value = Math.floor(value)
  if (value < minLimit) {
    value = minLimit
  } else if (value > maxLimit) {
    value = maxLimit
  }
  return value
}
// 隐藏弹窗
function hidePopup() {
  emit('hide')
}
// 填充表达式
function submitFill() {
  emit('fill', crontabValueString.value)
  hidePopup()
}
function clearCron() {
  // 还原选择项
  crontabValueObj.value = {
    second: '*',
    min: '*',
    hour: '*',
    day: '*',
    month: '*',
    week: '?',
    year: ''
  }
}
onMounted(() => {
  expression.value = props.expression
  hideComponent.value = props.hideComponent
})
</script>

<style lang="scss" scoped>
.pop_btn {
  text-align: center;
  margin-top: 20px;
}
.popup-main {
  position: relative;
  margin: 10px auto;
  border-radius: 5px;
  font-size: 12px;
  overflow: hidden;
}
.popup-title {
  overflow: hidden;
  line-height: 34px;
  padding-top: 6px;
  background: #f2f2f2;
}
.popup-result {
  box-sizing: border-box;
  line-height: 24px;
  margin: 25px auto;
  padding: 15px 10px 10px;
  border: 1px solid #ccc;
  position: relative;
}
.popup-result .title {
  position: absolute;
  top: -28px;
  left: 50%;
  width: 140px;
  font-size: 14px;
  margin-left: -70px;
  text-align: center;
  line-height: 30px;
  background: #fff;
}
.popup-result table {
  text-align: center;
  width: 100%;
  margin: 0 auto;
}
.popup-result table td:not(.result) {
  width: 3.5rem;
  min-width: 3.5rem;
  max-width: 3.5rem;
}
.popup-result table span {
  display: block;
  width: 100%;
  font-family: arial;
  line-height: 30px;
  height: 30px;
  white-space: nowrap;
  overflow: hidden;
  border: 1px solid #e8e8e8;
}
.popup-result-scroll {
  font-size: 12px;
  line-height: 24px;
  height: 10em;
  overflow-y: auto;
}
</style>
